Ole flagstad



{No Model.)

0. FLAGSTAD.

VISE.

jizz/ Patended Aug. 4, 885.

WE/waff UNITED STATES PATENT miren OLE FLAGSTAD, OF HAMAR, NORWAY.

VlSE.

SPECIFICATION forming part of Letters Patent No. 323,655, dated August4, 1885.

Application lcd May 6, 1385. (No model.)

ifo @ZZ whom it may concern,.-

Be it known that I, OLE FLassrnn, a subject of the King of Norway, andresiding in the town of Hamai', Norway, have invented certain new anduseful Improvements in Vises; and I do hereby declare the following tobe a full, clear, and exact description of theinvention, such as willenable others skilled in the art to which it appertains to make and usethe same.

My invention relates to an improvement in vises, the object of the samebeing to provide a visein which the jaws may be rapidly opened, f

and closed, and one in which the closing of the jaws will be automatic.A further object is to provide a vise of the above character which willbe simple and economical in construction and durable and efficient inuse; and with these ends in view my invention consists in the certainfeatures of constructionand combinations of parts, as will behereinafter fully described, and pointed out in the claims. In theaccompanying drawings, Figure lis a view of the vise in side elevation,and Figs. 2 and 3 are modifications of the details.

A represents the fixed or stationary jaw of -the vise, and B the movablejaw thereof, which is pivotally secured to the frame, as shown at G. Thelower end of the jaw B is provided with the extension D, against whichimpinges one end of the spring E, the opposite end of which is securedto the inner face of the jaw A, whereby the jaws are pressed togetherwithout the aid of the screw. The jaws are connected with each other bymeans of the joke F, which embraces them, the 'forward end of the saidyoke being provided with the teeth G. The opposite end of the said yokeis' enlarged and provided with afemale screwthreadcd opening, in whichis inserted the clampscrew H, which is adapted to impinge against thejaw B, and thereby force the said jaw against the stationary jaw A. Theenlarged end of the yoke is provided with the depending arm I, againstwhich is adapted to impinge the spring J, which is secu red to theoutside of the jaw B, the object of which is to prevent the yoke fromsagging when the screw II is released, and also to force the yoke towardthe rear of the vise.

To the stationary jaw A is pivotally secured the pawl K by means of thepin or bolt L. The spring M is also secured to the jaw A, and bearsagainst the lower side of the pawl, and forces the same upward incontact with the teeth G on the yoke, whereby the saine is held inlocked adjustment. To one side of the yoke is loosely secured the bar Nby means of the pins O, which register with the obliquely-inclined slotsI?, vformed in the bar. One end of the bar is provided with the clip orbracket Q, in which is adapted to lit one end ofthe lever It,\vliich ispivoted to the jaw B, and provided with the opeiating-handle S. The jawA is also provided with the guide T, which is pivoted above the yoke,and by means of which the vertical tendency of the toothed end of theyoke is governed.

From the above description it will be observed that the spring E willcause the jaws to automatically close together, and that the pawl Ii,being forced into engagement with the teeth G, will hold the jaws insuch locked position, the force of which can be gradually increased bymeans of the clamp-screw II.

Vhen desired to discngage the pawl K from engagement with the yoke,thesame is conveiiiently accomplished by canting the lever It to oneside,which will cause the bar Nte move outward and descend upon the pinII with sufficient weight to force the pawl from engagement with theteeth G, at which time the jaws can be separated without interference.

Iwould have it understood that I do not limit myself to the exactconstruction shown and described, but consider myself at liberty to makesuch changes and alterations as properly fall within the spirit andscope of my invention-as, for instance, the yoke could be provided witha projection, and the lever It could be pivoted directly thereto.

To accomplish a positive and secure engagement of the teeth Gon the yokewhen the vise is opened very wide and the yoke is in consequence at anoblique angle, the arrangement of parts shown in the modification Figs.2 and 8 becomes desirable, the upper end, 7;, of the pawl Ii in thisinstance being formed as shown and turning upon the pin t, which has asufficient guide partly by its own portion IOO taking hold between thetwo parts of the yoke and partly by the two pins U,lying against therail G.

Having fully described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. The combination, with stationary and movable jaws and a spring forholding the movable jaw in contact with the stationary [o jaw, of a yokeencircling the jaws and pro! otally secured to the stationary jaw and engaging the teeth on the yoke, a spring secured to the movable jaw andengaging the depending arm, and a screw passing through the yoke andengaging the movable jaw, substantially as set forth.

3. The c01nbination,with the stationary and movable jaws and a springfor holding the jaws in closed adjustment, of the yoke provided withteeth, the pivoted pawl constructed to engage said teeth,the bar havinginclined slots therein, pins passing through the slots and entering theyoke, the lever for moving the bar, and the screw passing through theyoke and engaging the movable jaw, substantially as set forth. j

In testimony whereof I have signed this specification in the presence oftwo subscribing witnesses.

OLE FLAGSTAD. Witnesses:

FLEUR. NIsJEN, O. SHNHEYDER.

